Explanation:
Newton's three laws of motion are fundamental principles that describe the relationship between force, mass, acceleration, and action and reaction.
Newton's first law states that an object at rest will remain at rest, and an object in motion will continue in its motion at a constant velocity, unless acted upon by an external force. This is also known as the law of inertia and relates to the concept of mass, which is the measure of an object's resistance to changes in its motion.Newton's second law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This law is mathematically represented as F = ma, where F is the net force, m is the mass, and a is the acceleration. This law highlights the relationship between force, mass, and acceleration.Newton's third law states that for every action, there is an equal and opposite reaction. This means that when one object exerts a force on another object, the second object exerts an equal force in the opposite direction. This law emphasizes the concept of action and reaction forces, which always occur in pairs and are of equal magnitude but act in opposite directions.hardy and weinberg derived their famous equation by extending mendel's first law, which is called the law of
Answer: Segregation
Explanation:
A diffuse sound field is desired within a theater. The following room treatment would best
contribute to this acoustic characteristic:
(a) the back wall of the stage (behind the performers) is concave in shape
(b) a series of convex panels are suspended from the entire ceiling
(c) velvet curtains are hung on the side walls of the theater
(d) the back wall of the theater is finished with an acoustically reflective material
To create a diffuse sound field within a theater, the goal is to distribute sound energy evenly throughout the space, reducing the presence of distinct echoes and reflections.
Among the given options, the treatment that would best contribute to this acoustic characteristic is:
(c) Velvet curtains hung on the side walls of the theater.
Velvet curtains have a soft and textured surface that can absorb and scatter sound waves, preventing them from reflecting directly back into the audience or creating focused sound reflections. This helps to reduce the presence of strong reflections and echoes, promoting a more diffuse sound field within the theater.
Learn more about diffuse sound field here:
https://brainly.com/question/18534026
#SPJ11
an object that is 15 cm tall is placed 44 cm in front of a diverging lens. A virtual image appears -14cm in front of the lens. determine the focal length of the lens .
SHOW YOUR WORK.
A) 0.09cm
B)-20.53cm
C)10.6cm
D)-0.04cm
Answer:
The correct option is (b).
Explanation:
Given that,
The height of the object, h = 15 cm
Object distance, u = -44 cm
Image distance, v = -14 cm
We need to find the focal length of the lens. Using the lens formula.
\(\dfrac{1}{f}=\dfrac{1}{v}-\dfrac{1}{u}\\\\\dfrac{1}{f}=\dfrac{1}{(-14)}-\dfrac{1}{(-44)}\\\\f=-20.53\ cm\)
So, the focal length of the lens (-20.53 cm).
If you don’t know the answer please please don’t answer, I have to do this for a test and it’s 100 points
Answer:
I believe that it's C
Explanation:
Which mathematical representation correctly identifies impulse? (1 point)
impulse=forcetimeimpulse is equal to force over time
impulse=force×timeimpulse is equal to force times time
impulse=acceleration×timeimpulse=acceleration×time
impulse=velocitytime
Answer:
Impulse = Force × Time
Explanation:
Answer:
The Moment of Impact Quick Check
1. B. Impulse = Force × Time
2. A. The momentum of each ball changes, and the total momentum stays the same
3. D. -55 kg·m/s
4. B. 3.5 kg
5. C. 6.3 m/s
Explanation:
I got a 100. You're Welcome.
How much is 43 degrees Fahrenheit in Celsius?
We may determine that 43°F is equivalent to 6°C using the formula.
What is Celsius?The global standard for measuring temperature is Celsius, sometimes known as centigrade. Anders Celsius, a Swedish astronomer, first used it in 1742. The freezing point of water is 0° on the Celsius scale, and the boiling point of water at standard atmospheric pressure is 100°. The most common temperature scale in use worldwide, it is utilised for scientific purposes.
How do you determine it?The formula used is,
C = (F - 32) * 5/9
Where F and C are the Fahrenheit and Celsius temperatures, respectively.
The difference between the zero points and increments on the Fahrenheit and Celsius scales means that a temperature reading on one scale will not have an exact equal on the other. While the Celsius scale is widely used and is thought to be the norm for most scientific purposes, the Fahrenheit scale is mostly used in the United States.
To know more about Celcius, visit:
https://brainly.com/question/13318330
#SPJ4
Why is the same side of the Moon always visible from Earth?
A.) The Moon does not rotate about its axis.
B.) The Moon does not revolve around Earth.
C.) The Moon takes the same time to rotate about its axis as it takes to orbit Earth.
D.) The Moon and the Earth take the same time to rotate about their respective axes.
Answer:
Explanation:
Answer
The true fact is that C is what happens in outer space. Both rotations take 27.3 days.
A: The exact opposite is true. It does rotate about it's axis.
B: Again this is just plain false. Given the way we observe it, the moon must be rotating around the earth.
D. they don't. 27.3 hours and 24 hours are not the same.
014 10.0 points Find the total translational kinetic energy of 3.5 L of oxygen gas held at a temperature of 6 ◦C and a pressure of 0.5 atm. Answer in units of J.
A 3.5 L container of oxygen gas kept at 6 °C and 0.5 atm pressure has a total translational kinetic energy of about 375.5 J.
How much total kinetic energy is translated into translational kinetic energy?By adding the two types of kinetic energy, it is possible to calculate the object's total kinetic energy. Remember that the product of the object's mass and the square of its linear velocity (around its centre of mass) and dividing the result by two gives the object's translational kinetic energy.
KE = (3/2) * nRT
PV = nRT
where P is the pressure, V is the volume, and the other variables are the same as in the kinetic energy formula.
n = PV / RT
Substituting the given values, we get:
n = (0.5 atm) * (3.5 L) / [(0.08206 L·atm/mol·K) * (6 + 273.15 K)]
n ≈ 0.0671 mol
KE = (3/2) * nRT
Substituting the given values and the number of moles we just calculated, we get:
KE = (3/2) * (0.0671 mol) * (0.08206 L·atm/mol·K) * (6 + 273.15 K)
KE ≈ 375.5 J
To know more about kinetic energy visit:-
https://brainly.com/question/26472013
#SPJ1
suppose you were dragging a table across a rough floor. in this case, the potential energy for friction depends on which quantity or quantities? (choose all that apply)
In dragging a table across a rough floor, the potential energy for friction depends on the coefficient of friction, normal force, and distance traveled by the table, hence option (a), (b), and (c) are correct.
In this case, the potential energy for friction would depend on the following quantities:
Coefficient of friction: The coefficient of friction between the table and the floor would determine how much force is required to move the table and hence, the potential energy for friction.
Normal force: The normal force acting on the table due to the weight of the table and any objects placed on it would also affect the potential energy for friction.
Distance moved: The distance the table is moved would determine the amount of work done against friction and hence, the potential energy for friction.
Surface area: The surface area in contact between the table and the floor could also affect the potential energy for friction.
Overall, the potential energy for friction depends on a combination of factors, including the properties of the surfaces in contact, the force required to move the object, and the distance moved.
Therefore correct options are (a), (b), and (c).
Suppose you were dragging a table across a rough floor. in this case, the potential energy for friction depends on which quantity or quantities? (choose all that apply)
a. The total distance the table travels.
c. The coefficient of friction between the table and the floor.
d. The normal force that the floor exerts on the table.
e. There is no potential energy for frictional forces.
Learn more about friction:
https://brainly.com/question/24338873
#SPJ11
How much force is required to accelerate a 5kg mass at 20m/s 2 ?
Нам не дано коэффициент трения, значит, можно не учесть силу трения. От этого, по второму закону Ньютона, F=ma=5×20=100 Н.
И это всё!
is the electron density consistent with equal weights for the two resonance structures for o3 ? yes no
The Given statement " is the electron density consistent with equal weights for the two resonance structures for o3 ? " is false. Because, Ozone has two resonance structures, where the double bond can be located on either of the two terminal oxygen atoms.
In Ozone, each oxygen atom has six valence electrons, and each oxygen atom in the resonance structures has a formal charge of zero. But whereas the double bond in one resonance form is shared by two oxygen atoms, it is shared by a different pair of oxygen atoms in the other resonance structure. As a result, the resonance structure with the double bond shared by the two terminal oxygen atoms has a larger electron density and is more stable.
To know more about Ozone, here
brainly.com/question/14330630
#SPJ4
--The complete Question is, Is the electron density consistent with equal weights for the two resonance structures for o3 ?
True or false --
a vertical, frictionless piston-cylinder device contains a gas at 180 kpa absolute pressure. the atmospheric pressure outside is 100 kpa, and the piston area is 25 cm 2 . determine the mass of the piston.
If a vertical, frictionless piston-cylinder device contains gas at 180 kph absolute pressure. the atmospheric pressure outside is 100 kph, and the piston area is 25 cm², the mass of the piston is 204 kg.
Absolute pressure of the gas, P1 = 180 kPa
Atmospheric pressure, P2 = 100 kPa
Piston area, A = 25 cm²
To find: Mass of the piston
First, we need to determine the net force acting on the piston due to the pressure difference. This can be found using the formula: F = P₁A - P₂A
where, F = net force
P₁ = absolute pressure of gas
P₂ = atmospheric pressure
A = piston area
Substituting the values: F = (180 - 100) kPa × 25 cm² = 2000 N
Now, we can identify the mass of the piston using the formula: F = m × g
where, m = mass
g = acceleration due to gravity (9.81 m/s²)
Substituting the values: 2000 N = m × 9.81 m/s²m = 204 kg
You can learn more about atmospheric pressure at: brainly.com/question/31634228
#SPJ11
Mary m=55kg, and Jane, m=35kg, are on the ice skates facing each other with their palms touching. Mary pushes off Jane with a force of 10N. With what force does Jane push on Mary? What is the acceleration of each girl?
The force Jane push on Mary is 10N. And the acceleration of mary is 1.82m/s² and acceleration for Jane is 2.86m/s²
What is Newton third law of motion?Newton third law of motion states that If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A. It can also be defined as , action and reaction are equal but opposite in direction.
For example if a man of weight 100N sits on a bench, the force the bench will have on the man is also 100N.
Similarly, if Mary pushes Jane with a force 10N, therefore Jane will also push Mary with a force 10N in the opposite direction.
From F = ma
the acceleration of mary = F/m
= 10/5.5 = 1.82m/s²
the acceleration of Jane =F/m
= 10/3.5 = 2.86m/s²
learn more about Newton third law of motion from
https://brainly.com/question/19929225
#SPJ1
Concrete sidewalks are always laid in sections, with gaps between each section. For example, the drawing shows three identical 2.4-m sections, the outer two of which are against immovable walls. The two identical gaps between the sections are provided so that thermal expansion will not create the thermal stress that could lead to cracks. What is the minimum gap width necessary to account for an increase in temperature of 41° C?
Three sections will lengthen the total by 3 mm; hence, the total length of the two gaps should be equal displacement to or larger than 3 mm, making each gap 1.5 mm or greater.
What does physics mean by displacement?
The term "displacement" refers to a shift in an object's position. It is a vector quantity with a magnitude and direction. The symbol for it is an arrow pointing from the initial location to the ending place.
In physics, how do you express displacement?
Displacement in physics is denoted by the symbol s. The Greek word for "change in" is "delta," which is shaped like a triangle. Spatial position is indicated by the letter "s." It stands for "so"
To know more about displacement visit:
https://brainly.com/question/12472287
#SPJ4
5. Fill in the blanks with either "More," "Less," or "The Same."
a) If an object has more mass than another object, it will accelerate_____
b) In order to accelerate an object more, one would need to apply_____ force.
c) If an equal force is applied to two different objects, the less massive object will accelerate____
Answer:
Explanation:
5. Fill in the blanks with either "More," "Less," or "The Same."
a) If an object has more mass than another object, it will accelerate_less____
b) In order to accelerate an object more, one would need to apply_more____ force.
c) If an equal force is applied to two different objects, the less massive object will accelerate_more___
The answer is less, more and more.
Relationship between mass and accelerationIf an object has more mass than another object, it will accelerate less. In order to accelerate an object more, one would need to apply more force. If an equal force is applied to two different objects, the less mass of an object will accelerate more
The acceleration of an object depends directly on the force acting upon the object, and inversely on the mass of the object.
Learn more about force here: https://brainly.com/question/12970081
an object: can be created in a function and passed back cannot be created in another class cannot be created in a function can be created only in main
An object can be created in a function and passed back, as functions can instantiate objects and return them to the caller. This allows for dynamic object creation and flexibility in programming.
Object creation refers to the process of instantiating or constructing an object in object-oriented programming. An object is an instance of a class and represents a specific entity with its own set of properties (attributes) and behaviors (methods). To create an object, a class serves as a blueprint or template, defining the structure and characteristics of the object. The creation process involves allocating memory for the object, initializing its attributes, and setting it up to be used within the program. Objects can be created in functions, classes, or other parts of the program, allowing for modular and flexible design.
Learn more about object creation here:
https://brainly.com/question/12363520
#SPJ11
a football is thrown upward at some angle above the horizontal. if we neglect air friction, then we can conclude that the acceleration vector of the football is
if we neglect air friction, then we can conclude that the acceleration vector of the football is not accelerating horizontally.
The acceleration vector of the football, neglecting air friction, is directed downward with a constant magnitude of 9.8 m/s^2, which is equal to the acceleration due to gravity. This is because the only force acting on the football is gravity, which pulls it toward the center of the earth, and the direction of the acceleration is equal to the direction of the gravitational force. So, the acceleration vector of the football is given by:
a = (0, -9.8 m/s^2)
where the x-component is 0, because the football is not accelerating horizontally, and the y-component is -9.8 m/s^2 because the acceleration is directed downward.
Learn more about acceleration here
https://brainly.com/question/2303856
#SPJ4
In which scenario will an athlete's wrists be under tension?
A.
striking a punching bag
B.
lifting a barbell overhead
C.
completing a push-up
D.
pulling a rope in tug-of-war
Answer:
I think the answer would be D.
Explanation:
It could be b or d, the reason that I think that it is d is because lifting does not directly involve your wrist.
Hope this helps!
Answer:
The answer is D
Explanation:
Tension is the working of muscle against muscle (especially dynamic tension).
Participating in tug of war creates tension as the working of your muscles is against the working of someone else's muscles, effectively creating tension.
The concept of inertia forms the basis for Newton's Third Law of Motion True False
Given
The concept of inertia forms the basis for Newton's Third Law of Motion
To find
The given statement is true or false
Explanation
The third law of motion states that every action has a equal and opposite reaction
Inertia is the property by virtue of which an object at rest tends to be at rest and object at motion tends to be at motion
Thus both the concept are not similar
Conclusion
The given statement is false
A lightning strike can transfer as much as electrons from the cloud to the ground. if the strike lasts 2ms , what is the average electric current in the lightning?
The average electric current in the lightning will be 8 × \(10^{-17}\) A
Why Lightning Conductors on top of a tower ?The lightning conductors are long metal strips running from the spike end of a conductor on the top of a building to the earth. They are used to prevent buildings from destruction when struck by thunder or lightning.
Given that a lightning strike can transfer as much as electrons from the cloud to the ground. if the strike lasts 2ms, to calculate the average electric current in the lightning, we will first consider the charge released.
one charge = 1.6 × \(10^{-19}\) C
Average current I = Q/t
Where
Q = charge = 1.6 × \(10^{-19}\) Ct = time = 2ms = 2 × \(10^{-3}\) sI = current = ?Substitute all the parameters into the formula
I = 1.6 × \(10^{-19}\) C ÷ 2 × \(10^{-3}\)
I = 8 × \(10^{-17}\) A
Therefore, the average electric current in the lightning will be 8 × \(10^{-17}\) A
Learn more about Lightning here: https://brainly.com/question/3183045
#SPJ1
If a fisherman applies a horizontal force with magnitude 51.5 n to the box and produces an acceleration of magnitude 3.00 m/s2, what is the mass of the box?
The mass of the box which the fisherman applies a horizontal force is 17.16 Kg
To solve this exercise, the formula and procedure to be applied are:
F = m * a
Where:
m = massF = Forcea = accelerationInformation about the problem:
a= 3.00 m/s2F= 51.5 N1 N = kg * m/s²m = ?Applying the force formula and isolating the mass, we get:
F = m * a
m = F/a
m = 51.5 Kg * m/s² / 3.00 m/s2
m = 17.16 Kg
What is force?It is the physical magnitude that expresses the effort necessary to move the mass of one kilogram with an acceleration of one meter per second squared, this is expressed in units of the international system in Newton.
Learn more about force at: brainly.com/question/12970081
#SPJ4
why is the sky sometimes red???
Answer:
The sky appears red because small particles of dust, pollution, or other aerosols also scatter blue light, leaving more purely red and yellow light to go through the atmosphere.
Answer:
The sky appears red because small particles of dust, pollution, or other aerosols also scatter blue light, leaving more purely red and yellow light to go through the atmosphere.
Explanation:
Also, different seasons affect the way the sky looks at certain times too such as the sky being mostly clear in the summer and spring, more gray in the winter, and more red and dusty in the fall.
Why don't animals that use electricity electrocute themselves.
Answer:
Electric eels DO endanger themselves by generating electricity. They frequently shock themselves.
That is one animal but I hope it helps!!!
When the curvature radius of a converging lens is increased, the size of the image _(blank)_.
A. is magnified
B. is reduced
C. stays the same
When the curvature radius of a converging lens is increased, the size of the image is reduced.
What is radius of curvature ?“The radius of curvature is the radius of sphere formed by the convex or concave mirror.” It is also equal to the distance between the pole and centre of curvature.” The sign convention for focal length and radius of curvature is the same.
What is converging lens?“Converging lenses are lenses which converge the light rays coming towards them, whereas diverging lenses are lenses which diverge the rays coming towards them.” A converging lens have positive focal length.
know more about converging lens here
https://brainly.com/question/14299912
#SPJ2
how can you show that electric currents create magnetic fields? check all that apply. how can you show that electric currents create magnetic fields?check all that apply. if you place a magnet near a closed circuit with current flowing, it will exert a force on the circuit wires. if you place a coil of wire near a magnet and direct a current through the coil, it will exert a force on the magnet, depending on its orientation. if you place two wires with currents perpendicular to each other, they will be attracted each other. if you position a charge near a wire with a current, it will be attracted or repelled by the wire.
The magnetic field created by a current-carrying wire will exert force on the wire if a magnet and wire are combined, hence the statement is true.
Describe a force.The word "force" has a clear definition. At this stage, calling a force a pull or a push is totally appropriate. A force is not a property an object "has though" or that it "includes." One thing encounters a force from another. There is no differentiation between living and non-living objects in the conception of either a force.
How does balance force work?symmetrical forces Forces that are equal in size and opposing in direction are said to be balanced forces. Equilibrium is regarded as a condition of equal forces. When forces are in equilibrium.
To know more about force visit :
https://brainly.com/question/13191643
#SPJ4
The passage helps the reader to draw conclusions about which character's perspective? ºAlec ºAlice ºAlec's father ºAlec's mother
Answer:
I think it might be A: Alec but tell me if I'm wrong
Explanation:
Answer:
a
Explanation:
i did it on e d g e n u i t y
A mass is suspended from the ceiling of an elevator by a spring. When the elevator is at rest, the period is T. What happens to the period when the elevator is moving upward at constant speed?
When the elevator is traveling upward at a constant speed, the period of oscillation of a mass suspended from the elevator ceiling by a spring stays constant.
A mass-spring system's oscillation period is governed by the mass of the object and the spring constant, and it is unaffected by outside forces like gravity's acceleration or system motion.
It means that the time period in independent of the upward motion of the lift in any manner o the speed. The only change in the period of oscillation is possible due to the motion of the elevator itself that may somehow disturb the equilibrium of the system.
To know more about period of oscillations, visit,
https://brainly.com/question/30923981
#SPJ4
If a roller coaster has 50,000 J of potential energy at the top of the first hill, how much kinetic energy does it have at the lowest point?
Answer:
50,000 J because of the transformation of energy
Explanation:
Provide a conceptual definitions for each of the following variables used to describe waves: wavelength, period, velocity, amplitude, frequency, intensity, and phase.
The conceptual definitions for terms describing waves are:
1. Wavelength: The distance between two consecutive points in a wave that are in the same phase, usually measured from crest to crest or trough to trough.
2. Period: The time it takes for one complete cycle of a wave to pass a given point, usually measured in seconds.
3. Velocity: The speed at which a wave propagates through a medium, typically measured in meters per second (m/s).
4. Amplitude: The maximum displacement of a point in a wave from its equilibrium position, often representing the energy or intensity of the wave.
5. Frequency: The number of complete wave cycles that occur in one second, typically measured in hertz (Hz).
6. Intensity: The amount of energy carried by a wave per unit time and area, often related to the amplitude and frequency of the wave.
7. Phase: The position of a point in a wave relative to the wave's cycle, usually measured in degrees or radians and used to describe the timing relationship between different parts of a wave or between multiple waves.
To learn more about intensity, refer below:
https://brainly.com/question/17583145
#SPJ11
PLEASE HELP I WILL MARK YOU
Scenario: On October 15, 1997, a car called
Thrust SSC set a new land-speed record. It
traveled 763 mph in 1 mile and became the first
car to officially break the sound barrier. The
Thrust SSC propels itself forward with two jet
engines made by Rolls-Royce, the same
engines found in the British version of the F-4
Phantom I fighter jet. The propulsion system
on the Thrust SSC is unique in that it does not
rely on the friction between the tires and the
ground for its forward motion. Instead, the jet
engines provide the force.
Question : Is it possible to make the Thrust SSC achieve an even higher maximum speed?
Directions: Use the information above and your
knowledge of Newton's second law of motion
to write a scientific explanation with at least
two modifications that you could make to the
car that would increase its acceleration. Be
sure to state a claim, provide mathematical
evidence (i.e. an equation or scientific
principle), and state your reasoning.
Thrust SC Specifications
Mass
10,700 kg
Maximum Speed
763 mph
Acceleration
20.8 m/s2
Fuel Burn Rate
4.8 gallons/s
Thrust Force
223,000 N
We want to see if the Trust SSC can archive a higher maximum speed.
Remember the second Newton's law:
Force = mass*acceleration.
And acceleration is the rate of change of the velocity.
Assuming the mass of the Trust SSC does not change, increasing the force would mean that we increase the acceleration, and thus, larger velocities can be reached.
Now there are some problems.
How we do increase the force?.
It is hard to ve precise, mostly because we don't really know how the system works, we just got some given random data that we can't use without context.
Another thing we need to remember, this velocity is measured in only one mile. So because we have a fixed distance to measure it, we only can get larger velocities by increasing the acceleration.
And to increase the acceleration we can increase the force, as discussed, or, decrease the mass.
How to decrease the mass? Using lighter materials.
Now let's see an example on how decreasing the mass would affect the acceleration.
Mass = 10,700kgAcceleration = 20.8 m/s^2Then an aproximate force is given by:
F = 10,700kg*20.8 m/s^2 = 222,560 N
Now, if we decrease the mass a little bit, for example to 10,000kg, and we do not change the force, the new acceleration will be given by:
10,000kg*a = 222,560 N
a = (222,560 N)/(10,000kg) = 22.3 m/s^2
So decreasing the mass a little, increases the acceleration, which would make a larger maximum velocity.
Concluding, there are two ways of increasing the maximum velocity:
Increasing the force.
Decreasing the mass of the car.
If you want to learn more, you can read:
https://brainly.com/question/12550364